Home / 557,748.99-769,698.54-303,100.20

Finding the Fourth Proportional to 557,748.99, 769,698.54 and 303,100.20

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Solution

The fourth proportional to 557,748.99, 769,698.54 and 303,100.20 is: 418,280.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,748.99 : 769,698.54 = 303,100.20 : x
  2. Step 2: Convert to fraction form
    557,748.99/769,698.54 = 303,100.20/x
  3. Step 3: Cross multiply
    557,748.99x = 769,698.54 × 303,100.20
  4. Step 4: Simplify right side
    557,748.99x = 233,295,781,413.71
  5. Step 5: Solve for x
    x = 233,295,781,413.71/557,748.99
  6. Step 6: Final answer
    x = 418,280.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.